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user100 [1]
3 years ago
13

HELP PLEASE...................................

Mathematics
2 answers:
Furkat [3]3 years ago
6 0
All you have to do is break this image into parts of two different shapes and find the areas of those two shapes. Then you can add them together and you will have your answer. Your work should look like this:

For one of the rectangles:

Length * Width

8 * 10 = 80

For the other rectangle:

Length times width

10 - 5 = 5 (You have to subtract 10 - 5 because you need to know the measurement of the of the width of the top rectangle, and the top rectangle is not a full 10 inches like the bottom one. )

15 - 8 = 7 (For the same reason as the width, you also need to subtract to find the length of the top rectangle.) 

Now multiply.

Length * width

5 * 7 = 35

Now that you have the two areas of the two separate rectangles, you can add them together. 

35 + 80 = 115
Keith_Richards [23]3 years ago
6 0
The answer is 115cm2
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A dolphin jumps 3 feet above sea level to go through a ring. The dolphin starts at the opposite distance below sea level. How fa
antiseptic1488 [7]

Answer:

6 feet

Step-by-step explanation:

The dolphin jumps 3 feet above sea level and it starts from the opposite distance below sea level.

This means that it starts from 3 feet below sea level.

The total distance the dolphin travels from its starting point to the top of the jump is therefore:

3  + 3 = 6 feet

3 0
3 years ago
Consider a city whose streets are laid out as a grid. Streets run north-south or east-west. A visitor is dropped off by a cab at
Ann [662]

Answer:

84 possible paths

Step-by-step explanation:

Given

N =3 --- 3 blocks north

E = 6 --- 6 blocks east

Required

Number of distinct path

To solve this question, we make use of the following formula

^{m+n}C_n \ =\ ^{m+n}C_m

The above formula implies that;

On a single path, there is a total of m + n steps to get to a particular position, where each path is either in m direction or n direction.

In this case:

m = 3

n = 6

So, we have:

^{m + n}C_n = ^{3+6}C_6

^{m + n}C_n = ^9C_6

Apply combination formula

^{m + n}C_n = \frac{9!}{(9-6)!6!}

^{m + n}C_n = \frac{9!}{3!*6!}

Expand the numerator

^{m + n}C_n = \frac{9*8*7*6!}{3!*6!}

^{m + n}C_n = \frac{9*8*7}{3!}

Expand the denominator

^{m + n}C_n = \frac{9*8*7}{3*2*1}

^{m + n}C_n = \frac{504}{6}

^{m + n}C_n = 84

<em>Hence, there are 84 possible paths</em>

<em></em>^{m + n}C_m<em> will also give the same result</em>

3 0
3 years ago
8. A train travels 475 miles each day of the yea
fgiga [73]

Answer: 173,375 miles

Step-by-step explanation:

Hi!

475 miles a day times 365 days = 173,375 miles a year!

Hope this helps

6 0
3 years ago
Name the expression based on its degree and number terms 7a³+4a-12​
Eddi Din [679]
3terms = trinomial (7a^2, 4a, -12)
Degree of each term 2nd, 1st, constant
Largest degree: 2nd

Answer: 2nd degree trinomial
6 0
3 years ago
The population of winnecumma, Nevada, is growing at a rate of 5% each year. If the population is 8742, how many years(3 decimal
sweet-ann [11.9K]
Current population = P = 8742
Population after t years = A = 12000
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We are to find the number of years it takes the population to grow to 12,000.

So, we can write:

A=P(1+r)^{t}

Using the values, we get:

12000=8742(1+0.05)^{t}  \\  \\ &#10; \frac{12000}{8742}= (1.05)^{t} \\  \\ &#10;t=6.492

This means, it will take 6.492 years for the population to grow to 12,000.
4 0
3 years ago
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